This medical-grade anodized aluminum herb grinder from Santa Cruz Shredder is the ultimate in new herb grinder technology. Every element of the grinder has been analyzed and improved upon, from the revolutionary tooth design and threading pattern to the rare earth magnet used in the lid closure system. The superior textured grip makes this grinder a favorite among medical marijuana patients who are suffering from hand or wrist pain. This 2-part Mini Santa Cruz Shredder is available in black, red, silver or green.